Permissions, Privileges, and Access Controls in Red Hat OpenShift Container Platform - CVE-2023-5408
Published: October 31, 2023
Vulnerability identifier: #VU82607
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-5408
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Red Hat Inc.
Affected software:
Red Hat OpenShift Container Platform
Red Hat OpenShift Container Platform
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improperly imposed security restrictions in the node restriction admission plugin of the kubernetes api server of OpenShift. A local user can modify the node role label and steer workloads from the control plane and etcd nodes onto different worker nodes and gain broader access to the cluster.
How to mitigate CVE-2023-5408
Install updates from vendor's website.